Eighty percent of households in the United States have cable internet. A random sample of 10 households is selected. What is the probability that at least 7 of the households have cable​ internet?   A. 0.8791          B. 0.6778   C. 0.3222   D. 0.1209   E. None of the above

Q: Fifteen percent of the products produced by an industrial robot are known to be defective. A…

A: Given p=15%=0.15sample size(n)=6Let "x" be no. of products selected by the quality-control inspector…

Q: A shop sells rare comic books. A comic book is described as damaged if it has been opened from its…

A: Formula : Binomial distribution is given by

Q: 33% of all college students major in STEM (Science, Technology, Engineering, and Math). If 45…

A: Note: Hey, since there are multiple subparts are posted, we will answer first three subparts for…

Q: 62% of all violent felons in the prison system are repeat offenders. If 37 violent felons are…

A: Binomial distribution: A discrete r.v. X taking values 0,1,2,3, …., n is said to follow a binomial…

Q: A batch contains electronic devices. 20% of them are defective. 6 devices are randomly selected.…

A: Note: the option G is hidden which is meant to be correct. Binomial distribution: The probability…

Q: 48% of all violent felons in the prison system are repeat offenders. If 33 violent felons are…

A: Solution : p = 48% = 48/100 = 0.48 n = 33 Let x be the number of violent felons in the…

Q: 62% of students own a personal computer. What is the probability that the proportion of students…

A: n = 15 p = 0.61

Q: about 13% of the population if left-handed. if three people are randomly selected, what is: the…

A:

Q: A bag of balloons contains 5 red balloons, 11 green balloons, 17 yellow balloons, and 8 orange…

A: Number of red balloons =5Number of green balloons =11Number of yellow balloons =17Number of orange…

Q: 48% of all violent felons in the prison system are repeat offenders. If 44 violent felons are…

A:

Q: The CBC did a study on various ways to quit smoking. The results of the study are shown below.…

A: It is an important part of statistics. It is widely used.

Q: Suppose that there is a school bond referendum in Greensboro, and 85% of voters support it. You…

A: The sample size is 45 The value of the proportion is 0.85 We have to find the standard error,…

Q: Batteries can be defective (D) or non- defective (N). A man has two batteries, after writing the…

A: Given: n=2Battery can be Defective (D) or Non-defective

Q: In recent study of nurses of a local hospital, eight hundred and twenty four said that they prefer…

A:

Q: In a large online music database 15% of the songs are from the K-Pop genre. A random sample of ten…

A:

Q: Part-time Full-time Total No Gym Membership 16 48 64 Gym Membership 11 55 66 Total 27 103 130   A…

A: The given summary table is, The probability that the student has a gym membership and they are part…

Q: 9% of all Americans live in poverty. If 48 Americans are randomly selected, find the probability…

A:

Q: A certain species of bird comes with blue, white or red feathers. Each bird can also have short…

A: Given that, A certain species of bird comes with blue,white and red feathers.Each bird also have…

Q: 10.2% of the population is 65 or older. Find the probability that the following number of persons…

A: According to the given information, we have Sample size, n = 20

Q: B. 80% of people who have sports cars are men, if 10 sports car owners are randomly selected, find…

A:

Q: In testing a certain kind of truck tire over rugged terrain, it is found that 25% of the trucks fail…

A: From the provided information,25% of trucks fail to complete the test run without a blowout that is…

Q: In a recent survey, 60% of the community favored building a health center in their neighborhood. If…

A: Given that,60% of the community favored building a health center in their neighborhood.Probability,…

Q: Given that the cable company has decided to sell, what is the probability the influential director…

A: From given data we have : probability of influential director resigned) = 0.40 probability of…

Q: seventy-five percent of the students graduating from high school in a small will attend college. for…

A: A.   Z-score for proportion:

Q: A marketing firm conducted a credit card survey in a shopping mall According to the poll, 18…

A:

Q: 27% of all college students major in STEM (Science, Technology, Engineering, and Math). If 40…

A: Answer: Given that: p= 0.27 , n= 40 now will use Binomial probability calculator To find…

Q: Suppose that a screening test diagnoses 90% of sick people positive and 90% of healthy people…

A:

Q: Moderators working for a large social media platform, on average, flag 30% of the social media posts…

A:

Q: 5. Out of all registered vehicles in California, 95% of them pass the State Emissions Test. If ten…

A: Given information Probability of passing the emission test p = 0.95 10 vehicles are selected X…

Q: 34% of teenagers in a small town say they like reading news online. Suppose you randomly select 10…

A: Binomial distribution is discrete distribution that deals with the probabilities of success and…

Q: In a large county in Central Texas, 41% of all registered voters are Democrats and 33% are…

A: It is given that the probability of registered voters are democrats is 0.41 and the probability of…

Q: If 35% of cows in a herd have Mad Cow disease, and a rancher randomly selects 7 cows, what is the…

A:

Q: Within the general population in the 21st century, the chances of having twins are about 3 in 100…

A:

Q: Of the cartons produced by a company, 10% have a puncture, 9% have a smashed corner, and 1.4% have…

A: The question is about probability.Given :Proportion of cartons have puncture = 10% = 0.10Proportion…

Q: Three unbiased coins are tossed. What is the probability of getting at most two heads?…

A: Given: Three unbiased coins are tossed.

Q: Suppose that 33% of people in a certain city are on an online dating website. If three people are…

A: Given information 33% of people are on online dating website Probability that people are on online…

Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.